From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.nokia.com ([192.100.122.230] helo=mgw-mx03.nokia.com) by bombadil.infradead.org with esmtps (Exim 4.69 #1 (Red Hat Linux)) id 1MG6di-0008Qd-Di for linux-mtd@lists.infradead.org; Mon, 15 Jun 2009 07:30:05 +0000 Subject: Re: RFC: [PATCH] MTD OneNAND: multiblock erase support From: Artem Bityutskiy To: Mika Korhonen In-Reply-To: <7948530906150003g365c8af3g9a9aaf8c8b985aa7@mail.gmail.com> References: <7948530906150003g365c8af3g9a9aaf8c8b985aa7@mail.gmail.com> Content-Type: text/plain; charset="UTF-8" Date: Mon, 15 Jun 2009 10:29:47 +0300 Message-Id: <1245050987.5847.452.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: linux-mtd Mailing List Reply-To: dedekind@infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2009-06-15 at 10:03 +0300, Mika Korhonen wrote: > Hi, > > I wrote an initial support for OneNAND multiblock erase feature. When > done in maximum 64 eraseblock batches multiblock erase is up to 30x > faster than block-by-block erase (not including erase verify, though). > > However, I only had possibility to test this with an OMAP board, so I > don't know if e.g. the default onenand_wait needs adjustment. Also for > Flex-OneNAND the support goes off. Does Flex even have mb erase? > > What do you think? Would it be please possible to send the patch inlined? Also, I suggest you to CC: Adrian Hunter Kyungmin Park Amul Saha because they are OneNAND-relevent. -- Best regards, Artem Bityutskiy (Битюцкий Артём)